From: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
To: Nickolay Goppen <setotau@mainlining.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
~postmarketos/upstreaming@lists.sr.ht,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sdm660: set cdsp compute-cbs' regs properly
Date: Mon, 20 Apr 2026 16:13:42 +0530 [thread overview]
Message-ID: <94253a08-3a4d-43f1-88cb-1f3ee07e8545@oss.qualcomm.com> (raw)
In-Reply-To: <20260420-qcom-sdm660-cdsp-adsp-fastrpc-dts-fix-v2-1-f6c7ab3c889a@mainlining.org>
On 20-04-2026 15:12, Nickolay Goppen wrote:
> Changing FastRPC compute-cbs' reg values to matching iommu streams
> solves SMMU translation errors when trying to use FastRPC on CDSP
> so change FastRPC compute-cbs' reg values that way
>
> Fixes: c0c32a9e3493 ("arm64: dts: qcom: sdm630/660: Add CDSP-related nodes")
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Nickolay Goppen <setotau@mainlining.org>
> ---
> arch/arm64/boot/dts/qcom/sdm660.dtsi | 36 ++++++++++++++++++------------------
> 1 file changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm660.dtsi b/arch/arm64/boot/dts/qcom/sdm660.dtsi
> index 3fd6dd82a992..0fca9662c64a 100644
> --- a/arch/arm64/boot/dts/qcom/sdm660.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm660.dtsi
> @@ -350,57 +350,57 @@ fastrpc {
> #address-cells = <1>;
> #size-cells = <0>;
>
> - compute-cb@5 {
> + compute-cb@3 {
> compatible = "qcom,fastrpc-compute-cb";
> - reg = <5>;
> + reg = <3>;
> iommus = <&cdsp_smmu 3>;
> };
>
> - compute-cb@6 {
> + compute-cb@4 {
> compatible = "qcom,fastrpc-compute-cb";
> - reg = <6>;
> + reg = <4>;
> iommus = <&cdsp_smmu 4>;
> };
Reviewed-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
next prev parent reply other threads:[~2026-04-20 10:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-20 9:42 [PATCH v2 0/3] arm64: dts: qcom: sdm630/660 FastRPC fixes Nickolay Goppen
2026-04-20 9:42 ` [PATCH v2 1/3] arm64: dts: qcom: sdm660: set cdsp compute-cbs' regs properly Nickolay Goppen
2026-04-20 10:43 ` Ekansh Gupta [this message]
2026-04-20 9:42 ` [PATCH v2 2/3] arm64: dts: qcom: sdm630: set adsp " Nickolay Goppen
2026-04-20 10:44 ` Ekansh Gupta
2026-04-20 9:42 ` [PATCH v2 3/3] arm64: dts: qcom: sdm630: assign adsp_mem region to ADSP FastRPC node Nickolay Goppen
2026-04-20 10:42 ` Ekansh Gupta
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